/*****************************************************************************
* podcast.c: Podcast services discovery module
*****************************************************************************
- * Copyright (C) 2005 the VideoLAN team
+ * Copyright (C) 2005-2009 the VideoLAN team
* $Id$
*
* Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
# include "config.h"
#endif
+#define VLC_MODULE_LICENSE VLC_LICENSE_GPL_2_PLUS
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_playlist.h>
+#include <vlc_services_discovery.h>
#include <vlc_network.h>
-#include <assert.h>
-
-#include <errno.h> /* ENOMEM */
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
-#endif
+#include <assert.h>
+#include <unistd.h>
/************************************************************************
* Macros and definitions
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
+VLC_SD_PROBE_HELPER("podcast", "Podcasts", SD_CAT_INTERNET)
+
#define URLS_TEXT N_("Podcast URLs list")
#define URLS_LONGTEXT N_("Enter the list of podcasts to retrieve, " \
"separated by '|' (pipe)." )
set_category( CAT_PLAYLIST )
set_subcategory( SUBCAT_PLAYLIST_SD )
- add_string( "podcast-urls", NULL, NULL,
- URLS_TEXT, URLS_LONGTEXT, false );
- change_autosave ()
+ add_string( "podcast-urls", NULL,
+ URLS_TEXT, URLS_LONGTEXT, false )
set_capability( "services_discovery", 0 )
set_callbacks( Open, Close )
+ VLC_SD_PROBE_SUBMODULE
+
vlc_module_end ()
* Local structures
*****************************************************************************/
+enum {
+ UPDATE_URLS,
+ UPDATE_REQUEST
+}; /* FIXME Temporary. Updating by compound urls string to be removed later. */
+
struct services_discovery_sys_t
{
/* playlist node */
char **ppsz_urls;
int i_urls;
+ input_item_t **pp_items;
+ int i_items;
+
vlc_thread_t thread;
vlc_mutex_t lock;
vlc_cond_t wait;
bool b_update;
+ bool b_savedurls_loaded;
+ char *psz_request;
+ int update_type;
};
/*****************************************************************************
static void *Run( void * );
static int UrlsChange( vlc_object_t *, char const *, vlc_value_t,
vlc_value_t, void * );
+static int Request( vlc_object_t *, char const *, vlc_value_t,
+ vlc_value_t, void * );
+static void ParseRequest( services_discovery_t *p_sd );
static void ParseUrls( services_discovery_t *p_sd, char *psz_urls );
+static void SaveUrls( services_discovery_t *p_sd );
/*****************************************************************************
* Open: initialize and create stuff
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
+ if( strcmp( p_this->p_parent->psz_object_type, "playlist" ) )
+ return VLC_EGENERIC; /* FIXME: support LibVLC SD too! */
+
services_discovery_t *p_sd = ( services_discovery_t* )p_this;
- services_discovery_sys_t *p_sys = malloc(
- sizeof( services_discovery_sys_t ) );
+ services_discovery_sys_t *p_sys = malloc( sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
p_sys->ppsz_urls = NULL;
p_sys->i_input = 0;
p_sys->pp_input = NULL;
+ p_sys->pp_items = NULL;
+ p_sys->i_items = 0;
vlc_mutex_init( &p_sys->lock );
vlc_cond_init( &p_sys->wait );
p_sys->b_update = true;
+ p_sys->b_savedurls_loaded = false;
+ p_sys->psz_request = NULL;
+ p_sys->update_type = UPDATE_URLS;
p_sd->p_sys = p_sys;
- /* Give us a name */
- services_discovery_SetLocalizedName( p_sd, _("Podcasts") );
/* Launch the callback associated with this variable */
- var_Create( p_sd, "podcast-urls", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
- var_AddCallback( p_sd, "podcast-urls", UrlsChange, p_sys );
+ vlc_object_t *pl = p_sd->p_parent;
+ var_Create( pl, "podcast-urls", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
+ var_AddCallback( pl, "podcast-urls", UrlsChange, p_sys );
+
+ var_Create( pl, "podcast-request", VLC_VAR_STRING );
+ var_AddCallback( pl, "podcast-request", Request, p_sys );
if (vlc_clone (&p_sys->thread, Run, p_sd, VLC_THREAD_PRIORITY_LOW))
{
+ var_DelCallback( pl, "podcast-request", Request, p_sys );
+ var_DelCallback( pl, "podcast-urls", UrlsChange, p_sys );
+ vlc_cond_destroy( &p_sys->wait );
+ vlc_mutex_destroy( &p_sys->lock );
free (p_sys);
return VLC_EGENERIC;
}
static void Close( vlc_object_t *p_this )
{
services_discovery_t *p_sd = ( services_discovery_t* )p_this;
- services_discovery_sys_t *p_sys = p_sd->p_sys;
+ services_discovery_sys_t *p_sys = p_sd->p_sys;
+ vlc_object_t *pl = p_sd->p_parent;
int i;
vlc_cancel (p_sys->thread);
vlc_join (p_sys->thread, NULL);
- var_DelCallback( p_sd, "podcast-urls", UrlsChange, p_sys );
+ var_DelCallback( pl, "podcast-urls", UrlsChange, p_sys );
+ var_DelCallback( pl, "podcast-request", Request, p_sys );
vlc_cond_destroy( &p_sys->wait );
vlc_mutex_destroy( &p_sys->lock );
for( i = 0; i < p_sys->i_input; i++ )
{
- if( p_sd->p_sys->pp_input[i] )
- {
- input_StopThread( p_sd->p_sys->pp_input[i] );
- vlc_object_release( p_sd->p_sys->pp_input[i] );
- p_sd->p_sys->pp_input[i] = NULL;
- }
+ input_thread_t *p_input = p_sd->p_sys->pp_input[i];
+ if( !p_input )
+ continue;
+
+ input_Stop( p_input );
+ input_Close( p_input );
+
+ p_sd->p_sys->pp_input[i] = NULL;
}
free( p_sd->p_sys->pp_input );
for( i = 0; i < p_sys->i_urls; i++ ) free( p_sys->ppsz_urls[i] );
free( p_sys->ppsz_urls );
+ for( i = 0; i < p_sys->i_items; i++ ) vlc_gc_decref( p_sys->pp_items[i] );
+ free( p_sys->pp_items );
+ free( p_sys->psz_request );
free( p_sys );
}
/*****************************************************************************
* Run: main thread
*****************************************************************************/
+VLC_NORETURN
static void *Run( void *data )
{
services_discovery_t *p_sd = data;
int canc = vlc_savecancel ();
msg_Dbg( p_sd, "Update required" );
- char* psz_urls = var_GetNonEmptyString( p_sd, "podcast-urls" );
- if( psz_urls != NULL )
+
+ if( p_sys->update_type == UPDATE_URLS )
+ {
+ char *psz_urls = var_GetNonEmptyString( p_sd->p_parent,
+ "podcast-urls" );
ParseUrls( p_sd, psz_urls );
- free( psz_urls );
+ free( psz_urls );
+ }
+ else if( p_sys->update_type == UPDATE_REQUEST )
+ ParseRequest( p_sd );
+
p_sys->b_update = false;
for( int i = 0; i < p_sd->p_sys->i_input; i++ )
{
- if( p_sd->p_sys->pp_input[i]->b_eof
- || p_sd->p_sys->pp_input[i]->b_error )
+ input_thread_t *p_input = p_sd->p_sys->pp_input[i];
+
+ if( p_input->b_eof || p_input->b_error )
{
- input_StopThread( p_sd->p_sys->pp_input[i] );
- vlc_object_release( p_sd->p_sys->pp_input[i] );
+ input_Stop( p_input );
+ input_Close( p_input );
+
p_sd->p_sys->pp_input[i] = NULL;
REMOVE_ELEM( p_sys->pp_input, p_sys->i_input, i );
i--;
vlc_restorecancel (canc);
}
vlc_cleanup_pop();
- assert(0); /* dead code */
+ vlc_assert_unreachable(); /* dead code */
}
static int UrlsChange( vlc_object_t *p_this, char const *psz_var,
vlc_mutex_lock( &p_sys->lock );
p_sys->b_update = true;
+ p_sys->update_type = UPDATE_URLS;
vlc_cond_signal( &p_sys->wait );
vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
+static int Request( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval,
+ void *p_data )
+{
+ VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
+ services_discovery_sys_t *p_sys = (services_discovery_sys_t *)p_data;
+
+ vlc_mutex_lock( &p_sys->lock );
+ free( p_sys->psz_request );
+ p_sys->psz_request = NULL;
+ if( newval.psz_string && *newval.psz_string ) {
+ p_sys->psz_request = strdup( newval.psz_string );
+ p_sys->b_update = true;
+ p_sys->update_type = UPDATE_REQUEST;
+ vlc_cond_signal( &p_sys->wait );
+ }
+ vlc_mutex_unlock( &p_sys->lock );
+ return VLC_SUCCESS;
+}
+
static void ParseUrls( services_discovery_t *p_sd, char *psz_urls )
{
services_discovery_sys_t *p_sys = p_sd->p_sys;
+ int i_new_items = 0;
+ input_item_t **pp_new_items = NULL;
+
+ int i_new_urls = 0;
+ char **ppsz_new_urls = NULL;
+ p_sys->b_savedurls_loaded = true;
+
+ int i, j;
+
for( ;; )
{
- int i;
+ if( !psz_urls )
+ break;
+
char *psz_tok = strchr( psz_urls, '|' );
if( psz_tok ) *psz_tok = '\0';
+
for( i = 0; i < p_sys->i_urls; i++ )
if( !strcmp( psz_urls, p_sys->ppsz_urls[i] ) )
break;
if( i == p_sys->i_urls )
{
- /* Only add new urls.
- * FIXME: We don't delete urls which have been removed from
- * the config since we don't have a way to know which inputs
- * they spawned */
+ INSERT_ELEM( ppsz_new_urls, i_new_urls, i_new_urls,
+ strdup( psz_urls ) );
+
input_item_t *p_input;
+ p_input = input_item_New( psz_urls, psz_urls );
+ input_item_AddOption( p_input, "demux=podcast", VLC_INPUT_OPTION_TRUSTED );
+
+ INSERT_ELEM( pp_new_items, i_new_items, i_new_items, p_input );
+ services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ );
+
+ INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input,
+ input_CreateAndStart( p_sd, p_input, NULL ) );
+ }
+ else
+ {
+ INSERT_ELEM( ppsz_new_urls, i_new_urls, i_new_urls,
+ strdup( p_sys->ppsz_urls[i]) );
+ INSERT_ELEM( pp_new_items, i_new_items, i_new_items, p_sys->pp_items[i] );
+ }
+ if( psz_tok )
+ psz_urls = psz_tok+1;
+ else
+ break;
+ }
+
+ /* delete removed items and signal the removal */
+ for( i = 0; i<p_sys->i_items; ++i )
+ {
+ for( j = 0; j < i_new_items; ++j )
+ if( pp_new_items[j] == p_sys->pp_items[i] ) break;
+ if( j == i_new_items )
+ {
+ services_discovery_RemoveItem( p_sd, p_sys->pp_items[i] );
+ vlc_gc_decref( p_sys->pp_items[i] );
+ }
+ }
+ free( p_sys->pp_items );
+ for( int i = 0; i < p_sys->i_urls; i++ )
+ free( p_sys->ppsz_urls[i] );
+ free( p_sys->ppsz_urls );
+
+ p_sys->ppsz_urls = ppsz_new_urls;
+ p_sys->i_urls = i_new_urls;
+ p_sys->pp_items = pp_new_items;
+ p_sys->i_items = i_new_items;
+}
+
+static void ParseRequest( services_discovery_t *p_sd )
+{
+ services_discovery_sys_t *p_sys = p_sd->p_sys;
+
+ char *psz_request = p_sys->psz_request;
+
+ int i;
+
+ char *psz_tok = strchr( psz_request, ':' );
+ if( !psz_tok ) return;
+ *psz_tok = '\0';
+
+ if ( ! p_sys->b_savedurls_loaded )
+ {
+ char *psz_urls = var_GetNonEmptyString( p_sd->p_parent,
+ "podcast-urls" );
+ ParseUrls( p_sd, psz_urls );
+ free( psz_urls );
+ }
+
+ if( !strcmp( psz_request, "ADD" ) )
+ {
+ psz_request = psz_tok + 1;
+ for( i = 0; i<p_sys->i_urls; i++ )
+ if( !strcmp(p_sys->ppsz_urls[i],psz_request) )
+ break;
+ if( i == p_sys->i_urls )
+ {
INSERT_ELEM( p_sys->ppsz_urls, p_sys->i_urls, p_sys->i_urls,
- strdup( psz_urls ) );
- p_input = input_item_NewExt( p_sd, psz_urls,
- psz_urls, 0, NULL, -1 );
- input_item_AddOption( p_input, "demux=podcast" );
+ strdup( psz_request ) );
+
+ input_item_t *p_input;
+ p_input = input_item_New( psz_request, psz_request );
+ input_item_AddOption( p_input, "demux=podcast", VLC_INPUT_OPTION_TRUSTED );
+
+ INSERT_ELEM( p_sys->pp_items, p_sys->i_items, p_sys->i_items, p_input );
services_discovery_AddItem( p_sd, p_input, NULL /* no cat */ );
- vlc_gc_decref( p_input );
+
INSERT_ELEM( p_sys->pp_input, p_sys->i_input, p_sys->i_input,
- input_CreateThread( p_sd, p_input ) );
+ input_CreateAndStart( p_sd, p_input, NULL ) );
+ SaveUrls( p_sd );
+ }
+ }
+ else if ( !strcmp( psz_request, "RM" ) )
+ {
+ psz_request = psz_tok + 1;
+ for( i = 0; i<p_sys->i_urls; i++ )
+ if( !strcmp(p_sys->ppsz_urls[i],psz_request) )
+ break;
+ if( i != p_sys->i_urls )
+ {
+ services_discovery_RemoveItem( p_sd, p_sys->pp_items[i] );
+ vlc_gc_decref( p_sys->pp_items[i] );
+ REMOVE_ELEM( p_sys->ppsz_urls, p_sys->i_urls, i );
+ REMOVE_ELEM( p_sys->pp_items, p_sys->i_items, i );
}
- if( psz_tok ) psz_urls = psz_tok+1;
- else return;
+ SaveUrls( p_sd );
+ }
+
+ free( p_sys->psz_request );
+ p_sys->psz_request = NULL;
+}
+
+static void SaveUrls( services_discovery_t *p_sd )
+{
+ services_discovery_sys_t *p_sys = p_sd->p_sys;
+ int i;
+ char *psz_urls;
+ int len = 0;
+
+ for( i=0; i < p_sys->i_urls; i++ )
+ len += strlen( p_sys->ppsz_urls[i] ) + 1;
+
+ psz_urls = (char*) calloc( len, sizeof(char) );
+
+ for( i=0; i < p_sys->i_urls; i++ )
+ {
+ strcat( psz_urls, p_sys->ppsz_urls[i] );
+ if( i < p_sys->i_urls - 1 ) strcat( psz_urls, "|" );
}
+
+ config_PutPsz( p_sd, "podcast-urls", psz_urls );
+
+ free( psz_urls );
}
projects / vlc / blobdiff